The Indonesian Agency for Meteorology, Climatology, and Geophysics (BMKG) reported a 4.5 magnitude earthquake approximately 65 kilometers southeast of Ondong, Siau Tagulandang Biaro (Sitaro) Regency in North Sulawesi, at 1318 hours (local time) on Sunday (21 June).

The earthquake was recorded at a depth of 119 kilometers.